@misc{indiciaebcb57bf206ed,
  title = {Toward easier endoscopy--the Oriental perspectives.},
  author = {E K Ng and J J Sung and S C Chung},
  year = {1998},
  url = {https://pubmed.ncbi.nlm.nih.gov/9786129/},
  note = {Source identifier: 9786129}
}